Bonding-AP化学

BONDINGTheWayshowatomsBindtoEachOthertoFormaSubstanceAttractiveforceInmolecularscaleIntramolecularforce(chemicalbonding)IntermolecularforceIonicbondingcovalentbondingmetallicbondingDipole-dipoleattractiveforceslondondispersionforcesHydrogenbondingAttractiveforceinmolecularscaleIonicbondingNa+11812Cl+17872+1182+17882Na+Cl-NareactwithCl2、Theprocessofforminginoiccompounds：ClNaClNaMg2BrBrSKKS2-KKBrMgBrIonicCompoundsIoniccompoundsconsistofalatticeofpositiveandnegativeions.NaCl:HowionicbondsformInternucleardistanceE=PE(attraction)+PE(REPULSION)Latticeenergy•Theenergychangeoccurringwhenseparatedgaseousionsarepackedtogethertoform1molionicsolid.•hardandbrittle•conductwhenmoltenordissolved•haveveryhighmeltingandboilingpoints.•Mostaresolubleinpolarsolventssuchaswater.•allioniccompoundsaresolidsatroomtemperature.Propertiesofioniccompoundscompounds,formulasNomenclature(潘氏命名法)